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diff --git a/util-linux/mdStart.c b/util-linux/mdStart.c
--- util-linux/mdStart.c 1969-12-31 18:00:00.000000000 -0600
+++ util-linux/mdStart.c 2017-01-01 18:25:14.582737879 -0600
@@ -0,0 +1,76 @@
+/*
+ * Linux 2.6(+) RAID Autostarter
+ *
+ * Copyright (C) 2005 by Tim Yamin <plasmaroo@gentoo.org> <plasm@roo.me.uk>
+ * Copyright (C) 2012 by Sebastian Pipping <sebastian@pipping.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+//config:config MDSTART
+//config: bool "mdstart"
+//config: default n
+//config: help
+//config: Allows you to autostart /dev/md devices if using an initramfs to
+//config: boot.
+
+//applet:IF_MDSTART(APPLET(mdstart, BB_DIR_SBIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_MDSTART) += mdStart.o
+
+//usage:#define mdstart_trivial_usage
+//usage: "[PARTITION] MD-NODE [[PARTITION] MD-NODE ...]"
+//usage:
+//usage:#define mdstart_full_usage "\n\n"
+//usage: "Run the RAID_AUTORUN ioctl on the given MD number"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/major.h>
+#include <linux/raid/md_u.h>
+
+extern int
+mdstart_main(int argc, char *argv[])
+{
+ int i, fd, part = 0, retval = 0;
+
+ if(argc < 2)
+ {
+ bb_show_usage();
+ }
+
+ for(i = 1; i < argc; i++)
+ {
+ if(sscanf(argv[i], "%d", &part) == 1)
+ continue;
+
+ fd = open(argv[i], 0, 0);
+ if (fd >= 0)
+ {
+ ioctl(fd, RAID_AUTORUN, part);
+ close(fd);
+ } else
+ {
+ printf("Error: Failed to open %s!\n", argv[i]);
+ retval=1;
+ }
+
+ part = 0;
+ }
+
+ return retval;
+}
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